Home / 12,901.02-19,350.79-3,540.85

Finding the Fourth Proportional to 12,901.02, 19,350.79 and 3,540.85

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Solution

The fourth proportional to 12,901.02, 19,350.79 and 3,540.85 is: 5,311.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.02 : 19,350.79 = 3,540.85 : x
  2. Step 2: Convert to fraction form
    12,901.02/19,350.79 = 3,540.85/x
  3. Step 3: Cross multiply
    12,901.02x = 19,350.79 × 3,540.85
  4. Step 4: Simplify right side
    12,901.02x = 68,518,244.77
  5. Step 5: Solve for x
    x = 68,518,244.77/12,901.02
  6. Step 6: Final answer
    x = 5,311.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.